NYC-WTC_000210754

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP-WTC , 631-467-8477 5-BORO SAMPLING , METALS IN AIR I CALCULATION POR OSHA IP121/125^g ME;i:^ IN ^R VIA C/^SETTEjCTm^R (3^ MILLIPORE) & MOBILE VACUUM PUMPS IJ jA= Concentration of Analyte in sample solution (pg/ml) or I j B=Concentration of Blank in sample solution (ng/ml) or (mg/L) jSSV= Sample Solution Volumc ASSV" Analyte concentration X Sample Solution Volume AR= (A X SSV) - (B X BSV) I ■ BSV=Blank Sample Volume BBSV>«BIank concentration x Blank Sample Volume AV I !rAB= Res^ent Blank Concentration (pg/ml) or (mg/L) ! RABSV" Reagent Blank Sample Volume I !D" DUution Factor (NONE) I Ino gravimetic factors TB= TRIP/FIELD BLANK For the Trip Blank Analytical Value: I IAV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) iAR"Attal^ical Result AV I (rounded off to 3-sigma)

0.086 100 8.6 0.098 100 9.8 -1.2 30 -0.04 Aluminum- Al <0.01 "6?O5‘8 100 5.8 0.064 100 6.4 -0.6 30 -0.02 Antimony-Sb <0.01 ■■o?od5 100 -0.5 -0B12 100 -1.2 0.7 30 0.0233333 Arsenic-As 0.02 "o?o'o'3 .. 100 0.3 ■0.003 100 0.3 0 30 0 Barium-Ba <0.01 100 0 100 0 0 30 0 Beryllium-Be <0.01 ‘b?obi 100 0.1 ■o.b’bi‘ 100 0.1 0 30 0 Cadmium-Cd <0.01 ■■b?422 100 42.2 ■Q442 100 44.2 -2 30 -0.0666667 Calcium-Ca <0.01 ■'6?bd7 100 0.7 ’b.ooi' 100 0.1 0.6 30 0.02 Chromium-Cr 0.02 ■b?ob9 100 0.9 ‘o-bTe’ 100 1.6 -0.7 30 -0.0233333 Copper-Cu ^obi "o?ib'4 100 10.4 "0'04'5 100 4.5 5.9 30 0.1966667 Iron-Fe 0.2 "o?bb’6 100 0.6 ■b"o‘oi‘ 100 0.1 0.5 30 0.0166667 Lead-Pb 0.02 'b?077 100 7.7 ■b"d72' 100 7.2 0.5 30 0.0166667 Magnesium-Mg 0.02 "6?O39 100 3.9 ■"b?b2' 100 2 1.9 30 0.0633333 Manganese-Mn 0.06 100 100 30 Mercury-Hg <0.01 o -0.001 100 -0.1 -0.001 100 -0.1 0 30 0 Nickel-NI <0.01 H ■0?i48 100 14.8 'b'Tss 100 13.5 1.3 30 0.0433333 Potassium-K 0.04 I—i ’ojooi 100 0.1 ‘o-bos 100 0.8 -0.7 30 -0.0233333 Selenium-Se <0.01 s o "ojooi 100 0.1 ■b’boT 100 0.1 0 30 0 Silver-Ag <0.01 o ■"2.15 100 215 Tiss 100 215.5 -0.5 30 -0.0166667 Sodium-Na <0.01 o Io ■-■b?bTi 100 -1.1 ^0013 100 -1.3 0.2 30 0.0066667 Thallium-TI <0.01 o ■‘brbTe 100 1.6 ■b“029 100 2.9 -1.3 30 -0.0433333 Zinc-Zn <0.01 CO CR PED ID #01100027-007 O CO CO NYCDEP - TRIP/FIELD BLANK ^•zicu CH cc/Mvr'ncD i_iA7M/\TZ,v,rn znnnn-?

NYC-WTC_000210767